Optical Detection Heads
AssemblyLED transmitter and photodiode/phototransistor receiver mounted across each pipe, detecting fish shadow with millisecond resolution. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Optical Detection Heads
4 top-level lines as of r63900| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | IR LED Transmitter | fish-counting-system-ir-led | 1× | 1 | · | part |
| 2 | Photodiode Receiver | fish-counting-system-photodiode | 1× | 1 | · | part |
| 3 | Optical Window | fish-counting-system-optical-window | 1× | 1 | · | part |
| 4 | Optical Alignment Block | fish-counting-system-optical-alignment-jig | 1× | 1 | · | part |